I'm trying to sync my iphone to my computer and when I plug it in it doesnt react. I went to the device manager and it sees the phone as "MTP USB device." I've tried all the ports and tried reinstalling iTunes. my dad's computer sees it but I can't restore it because I don't have a backup. It seems like I've done everything Ican, so what now?

If your Dad's computer can see it, why not do a backup there? Have you hooked it up to your computer before? Have you or anyone else hooked it to a different computer?

My wife's iPod was synced to her computer/iTunes even though we used my Apple ID. I had to re-sync it to mine to get it to work. Lost everything, but then again, had everything on my Mac anyways

Like it was said before, if your Dad's computer can see it but yours can't, then it's your laptop. Could be OS issues, port issues (have you hooked up anything else in the same ports?), or some other software issue.

And I forgot to mention it worked last week and I never said it didn't work at all. The computer knows its plugged in, it just doesn't see it as an iPhone. If I go to device manager and plug it in it says iPhone for a split second then goes to mtp USB device.

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